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LESSON 8 · The Universe: From Big Bang to Black Holes

PAUSE TO THINK

How long is 10^100 years compared to the current age of the universe?

About 10^90 times longer

The current universe is about 1.38 times 10^10 years old. A googol years is so much larger that the current age rounds to zero on that timescale. Almost all of the universe's history, by duration, has not happened yet.

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